OFDM

select keypad for dtmf tone

粒子群算法改进的自适应蝙蝠算法,具有很好的收敛速度和收敛精度(Improved adaptive bat algorithm based on particle swarm optimization has good convergence speed and convergence accuracy.)

老师教我的滑模变结构matlab仿真程序的几个例子，该程序易读，易移植(Teaching my sliding mode a few examples of matlab simulation program, the program to read, easy to transplant)

c与MATLAB的完美结合，教你如何成为两种语言的武林高手，谢谢支持(c with the perfect combination of MATLAB, teach you how to become a martial arts master two languages, thanks to support)

根据纬度经度信息 准确画出学术论文需要的地理图 包括海洋 山脉等(According to latitude and longitude information accurately draw the necessary papers including marine mountains and other geographic map)

进行潮汐调和分析，计算各分潮的调和常数，判断该站点的潮汐类型，并预报未来潮高。(Through tidal harmonic analysis, the harmonic constants of each constituent tide are calculated, the tidal types of the station are judged, and the future tidal heights are forecasted. Conducting tidal harmonic analysis)

c和windows通信的结构描述，接口，实例源程序。very very good。(c and the windows of communication to describe the structure, interface, source code examples. very very good.)

微粒群的二维演示，pso_2D，对初学者有一定的帮助！！！！！(Two-dimensional demonstration of particle swarm, pso_2D, must have for beginners help! ! ! ! !)

说明：  matlab数值计算 实例非常丰富 各种数值基本包含在内。(matlab numerical calculation is very rich in a variety of numerical examples of the basic included.)

matlab 实现的离散信号分析，这是基础的分析。主要实现离散信号在时域的分析(Matlab achieve discrete signal analysis, which is based on the analysis. Main discrete signal in the time domain analysis)